--- a/mercurial/help/config.txt	Sat Jun 09 18:26:04 2018 +0900
+++ b/mercurial/help/config.txt	Fri Jul 06 17:57:46 2018 +0200
@@ -2138,6 +2138,11 @@
     Possible values are 'text' and 'curses'.
     This config overrides the interface specified by ui.interface.
 
+``large-file-limit``
+    Largest file size that gives no memory use warning.
+    Possible values are integers or 0 to disable the check.
+    (default: 10000000)
+
 ``logtemplate``
     Template string for commands that print changesets.